/* zmalloc - total amount of allocated memory aware version of malloc()
 *
 * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Redis nor the names of its contributors may be used
 *     to endorse or promote products derived from this software without
 *     specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __ZMALLOC_H
#define __ZMALLOC_H

#include <stddef.h>

/* =============================================================================
 * Memory allocation and free
 */
void *zmalloc(size_t size);
void *zcalloc(size_t count, size_t size);
void *zrealloc(void *ptr, size_t size);
void zfree(void *ptr);

size_t zmalloc_used_memory(void);

void zmalloc_disable_thread_safeness(void);

typedef void (*zmalloc_oom_handler_t) (size_t);
void zmalloc_set_oom_handler(zmalloc_oom_handler_t oom_handler);

/* =============================================================================
 * Memory allocation and free wrappers log info.
 */
#define ez_malloc(_n)                    \
    _ez_malloc((size_t)(_n), __FILE__, __LINE__)

#define ez_calloc(_n, _s)               \
    _ez_calloc((size_t)(_n), (size_t)(_s), __FILE__, __LINE__)

#define ez_realloc(_p, _s)              \
    _ez_realloc(_p, (size_t)(_s), __FILE__, __LINE__)

#define ez_free(_p) do {                \
    _ez_free(_p, __FILE__, __LINE__);   \
    (_p) = NULL;                        \
} while (0)

void *_ez_malloc(size_t size, const char *name, int line);
void *_ez_calloc(size_t num, size_t size, const char *name, int line);
void *_ez_realloc(void *ptr, size_t size, const char *name, int line);
void _ez_free(void *ptr, const char *name, int line);

#endif				/* __ZMALLOC_H */
